Yes, there are many cheaper versions and subsidiaries of well-known brands . Some examples:
https://en.wikipedia.org/wiki/Barum_(company)
https://en.wikipedia.org/wiki/Goodyear_Dunlop_Sava_Tires
that's one reason for the forum change , less load for the servers when you search for old stuff. Less load leads to less expenses for the forum owner.
Code:
SUS Viscosity @ 40C 51,44
cSt Viscosity @ 100°C 10.04
Viscosity index 187
TBN 6.5
Noack 10.2
Sulfated ash 0.54%
Pour point -52 C
Viscosity in -35C 5650
Flash point 232°C
MOLYBDENUM 479
PHOSPHORUS...